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7.5
CVSSv3

CVE-2021-36213

Published: 17/07/2021 Updated: 14/09/2022
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Vulnerability Summary

HashiCorp Consul and Consul Enterprise 1.9.0 up to and including 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

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hashicorp consul

Vendor Advisories

Arch Linux Issues:
In HashiCorp Consul before version 198, xds can generate a situation where a single L7 deny intention (with a default deny policy) results in an allow action ...

References

NVD-CWE-noinfohttps://www.hashicorp.com/blog/category/consulhttps://github.com/hashicorp/consul/releases/tag/v1.10.1https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855https://security.gentoo.org/glsa/202208-09https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-36213
CVSSv3
CVSSv2
CVSSv3
VMScore
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